/*
 * Copyright 2002-2010 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Spring.Globalization.Formatters;

/// <summary>
/// Implementation of <see cref="IFormatter"/> that simply calls <see cref="object.ToString()"/>.
/// </summary>
/// <remarks>
/// This formatter is a no-operation implementation.
/// </remarks>
/// <author>Erich Eichinger</author>
public class NullFormatter : IFormatter
{
    /// <summary>
    /// Initializes a new instance of the <see cref="NullFormatter"/> class.
    /// </summary>
    public NullFormatter()
    {
    }

    /// <summary>
    /// Converts the passed value to a string by calling <see cref="Object.ToString()"/>.
    /// </summary>
    /// <param name="value">The value to convert.</param>
    /// <returns>to string converted value.</returns>
    public string Format(object value)
    {
        return value != null ? value.ToString() : null;
    }

    /// <summary>
    /// Returns the passed string "as is".
    /// </summary>
    /// <param name="value">The value to return.</param>
    /// <returns>The value passed into this method.</returns>
    public object Parse(string value)
    {
        return value;
    }
}
